<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        p:first-line {
            color: chocolate;
        }
        p:first-letter{
            color: red;
            font-size: larger;
        }
    </style>
</head>
<body>

<p>欲穷千里目,<br>
    更上一层楼
</p>

</body>
</html>